#include <REGX52.H>
#include <INTRINS.H>
#include "Timer0.h"
#include "Key.h"

unsigned char KeyNum,LEDMode;

void main()
{
	Timer0_Init();
	P2=0xFE;
	while(1)
	{
		//测试独立按键
//		KeyNum=Key();
//		if(KeyNum)
//		{
//			if(KeyNum==1)P2_1=~P2_1;
//			if(KeyNum==2)P2_2=~P2_2;
//			if(KeyNum==3)P2_3=~P2_3;
//			if(KeyNum==4)P2_4=~P2_4;
		KeyNum=Key();
		if(KeyNum)
		{
			if(KeyNum==1)
			{
				LEDMode++;
				if(LEDMode>=2)LEDMode=0;
			}
		}
		}
}

//定时器中断函数
void Timer0_Routine() interrupt 1
{
	static unsigned int T0Count;
	TL0 = 0x18;		//设置定时初值
	TH0 = 0xFC;		//设置定时初值
	T0Count++;
	if(T0Count>=1000)
	{
		T0Count=0;
		if(LEDMode==0)
			P2=_crol_(P2,1);
		if(LEDMode==1)
			P2=_cror_(P2,1);
	}
	
}